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1 // Copyright (c) 2009 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // This file contains the implementation of eglGetProcAddress | |
6 | |
7 #include <stdlib.h> | |
8 #include <GLES2/gl2.h> | |
9 | |
10 typedef void (*EGLFunctionPointer)(void); | |
11 struct EGLFunctionInfo { | |
12 EGLFunctionPointer func; | |
13 char const * const name; | |
14 }; | |
15 | |
16 void (* eglGetProcAddress(char const * procname))() { | |
17 static const struct EGLFunctionInfo gl_functions[] = { | |
18 { (EGLFUNCTIONPOINTER)(&glActiveTexture), | |
19 "glActiveTexture", }, | |
20 { (EGLFUNCTIONPOINTER)(&glAttachShader), | |
21 "glAttachShader", }, | |
22 { (EGLFUNCTIONPOINTER)(&glBindAttribLocation), | |
23 "glBindAttribLocation", }, | |
24 { (EGLFUNCTIONPOINTER)(&glBindBuffer), | |
25 "glBindBuffer", }, | |
26 { (EGLFUNCTIONPOINTER)(&glBindFramebuffer), | |
27 "glBindFramebuffer", }, | |
28 { (EGLFUNCTIONPOINTER)(&glBindRenderbuffer), | |
29 "glBindRenderbuffer", }, | |
30 { (EGLFUNCTIONPOINTER)(&glBindTexture), | |
31 "glBindTexture", }, | |
32 { (EGLFUNCTIONPOINTER)(&glBlendColor), | |
33 "glBlendColor", }, | |
34 { (EGLFUNCTIONPOINTER)(&glBlendEquation), | |
35 "glBlendEquation", }, | |
36 { (EGLFUNCTIONPOINTER)(&glBlendEquationSeparate), | |
37 "glBlendEquationSeparate", }, | |
38 { (EGLFUNCTIONPOINTER)(&glBlendFunc), | |
39 "glBlendFunc", }, | |
40 { (EGLFUNCTIONPOINTER)(&glBlendFuncSeparate), | |
41 "glBlendFuncSeparate", }, | |
42 { (EGLFUNCTIONPOINTER)(&glBufferData), | |
43 "glBufferData", }, | |
44 { (EGLFUNCTIONPOINTER)(&glBufferSubData), | |
45 "glBufferSubData", }, | |
46 { (EGLFUNCTIONPOINTER)(&glCheckFramebufferStatus), | |
47 "glCheckFramebufferStatus", }, | |
48 { (EGLFUNCTIONPOINTER)(&glClear), | |
49 "glClear", }, | |
50 { (EGLFUNCTIONPOINTER)(&glClearColor), | |
51 "glClearColor", }, | |
52 { (EGLFUNCTIONPOINTER)(&glClearDepthf), | |
53 "glClearDepthf", }, | |
54 { (EGLFUNCTIONPOINTER)(&glClearStencil), | |
55 "glClearStencil", }, | |
56 { (EGLFUNCTIONPOINTER)(&glColorMask), | |
57 "glColorMask", }, | |
58 { (EGLFUNCTIONPOINTER)(&glCompileShader), | |
59 "glCompileShader", }, | |
60 { (EGLFUNCTIONPOINTER)(&glCompressedTexImage2D), | |
61 "glCompressedTexImage2D", }, | |
62 { (EGLFUNCTIONPOINTER)(&glCompressedTexSubImage2D), | |
63 "glCompressedTexSubImage2D", }, | |
64 { (EGLFUNCTIONPOINTER)(&glCopyTexImage2D), | |
65 "glCopyTexImage2D", }, | |
66 { (EGLFUNCTIONPOINTER)(&glCopyTexSubImage2D), | |
67 "glCopyTexSubImage2D", }, | |
68 { (EGLFUNCTIONPOINTER)(&glCreateProgram), | |
69 "glCreateProgram", }, | |
70 { (EGLFUNCTIONPOINTER)(&glCreateShader), | |
71 "glCreateShader", }, | |
72 { (EGLFUNCTIONPOINTER)(&glCullFace), | |
73 "glCullFace", }, | |
74 { (EGLFUNCTIONPOINTER)(&glDeleteBuffers), | |
75 "glDeleteBuffers", }, | |
76 { (EGLFUNCTIONPOINTER)(&glDeleteFramebuffers), | |
77 "glDeleteFramebuffers", }, | |
78 { (EGLFUNCTIONPOINTER)(&glDeleteProgram), | |
79 "glDeleteProgram", }, | |
80 { (EGLFUNCTIONPOINTER)(&glDeleteRenderbuffers), | |
81 "glDeleteRenderbuffers", }, | |
82 { (EGLFUNCTIONPOINTER)(&glDeleteShader), | |
83 "glDeleteShader", }, | |
84 { (EGLFUNCTIONPOINTER)(&glDeleteTextures), | |
85 "glDeleteTextures", }, | |
86 { (EGLFUNCTIONPOINTER)(&glDepthFunc), | |
87 "glDepthFunc", }, | |
88 { (EGLFUNCTIONPOINTER)(&glDepthMask), | |
89 "glDepthMask", }, | |
90 { (EGLFUNCTIONPOINTER)(&glDepthRangef), | |
91 "glDepthRangef", }, | |
92 { (EGLFUNCTIONPOINTER)(&glDetachShader), | |
93 "glDetachShader", }, | |
94 { (EGLFUNCTIONPOINTER)(&glDisable), | |
95 "glDisable", }, | |
96 { (EGLFUNCTIONPOINTER)(&glDisableVertexAttribArray), | |
97 "glDisableVertexAttribArray", }, | |
98 { (EGLFUNCTIONPOINTER)(&glDrawArrays), | |
99 "glDrawArrays", }, | |
100 { (EGLFUNCTIONPOINTER)(&glDrawElements), | |
101 "glDrawElements", }, | |
102 { (EGLFUNCTIONPOINTER)(&glEnable), | |
103 "glEnable", }, | |
104 { (EGLFUNCTIONPOINTER)(&glEnableVertexAttribArray), | |
105 "glEnableVertexAttribArray", }, | |
106 { (EGLFUNCTIONPOINTER)(&glFinish), | |
107 "glFinish", }, | |
108 { (EGLFUNCTIONPOINTER)(&glFlush), | |
109 "glFlush", }, | |
110 { (EGLFUNCTIONPOINTER)(&glFramebufferRenderbuffer), | |
111 "glFramebufferRenderbuffer", }, | |
112 { (EGLFUNCTIONPOINTER)(&glFramebufferTexture2D), | |
113 "glFramebufferTexture2D", }, | |
114 { (EGLFUNCTIONPOINTER)(&glFrontFace), | |
115 "glFrontFace", }, | |
116 { (EGLFUNCTIONPOINTER)(&glGenBuffers), | |
117 "glGenBuffers", }, | |
118 { (EGLFUNCTIONPOINTER)(&glGenerateMipmap), | |
119 "glGenerateMipmap", }, | |
120 { (EGLFUNCTIONPOINTER)(&glGenFramebuffers), | |
121 "glGenFramebuffers", }, | |
122 { (EGLFUNCTIONPOINTER)(&glGenRenderbuffers), | |
123 "glGenRenderbuffers", }, | |
124 { (EGLFUNCTIONPOINTER)(&glGenTextures), | |
125 "glGenTextures", }, | |
126 { (EGLFUNCTIONPOINTER)(&glGetActiveAttrib), | |
127 "glGetActiveAttrib", }, | |
128 { (EGLFUNCTIONPOINTER)(&glGetActiveUniform), | |
129 "glGetActiveUniform", }, | |
130 { (EGLFUNCTIONPOINTER)(&glGetAttachedShaders), | |
131 "glGetAttachedShaders", }, | |
132 { (EGLFUNCTIONPOINTER)(&glGetAttribLocation), | |
133 "glGetAttribLocation", }, | |
134 { (EGLFUNCTIONPOINTER)(&glGetBooleanv), | |
135 "glGetBooleanv", }, | |
136 { (EGLFUNCTIONPOINTER)(&glGetBufferParameteriv), | |
137 "glGetBufferParameteriv", }, | |
138 { (EGLFUNCTIONPOINTER)(&glGetError), | |
139 "glGetError", }, | |
140 { (EGLFUNCTIONPOINTER)(&glGetFloatv), | |
141 "glGetFloatv", }, | |
142 { (EGLFUNCTIONPOINTER)(&glGetFramebufferAttachmentParameteriv), | |
143 "glGetFramebufferAttachmentParameteriv", }, | |
144 { (EGLFUNCTIONPOINTER)(&glGetIntegerv), | |
145 "glGetIntegerv", }, | |
146 { (EGLFUNCTIONPOINTER)(&glGetProgramiv), | |
147 "glGetProgramiv", }, | |
148 { (EGLFUNCTIONPOINTER)(&glGetProgramInfoLog), | |
149 "glGetProgramInfoLog", }, | |
150 { (EGLFUNCTIONPOINTER)(&glGetRenderbufferParameteriv), | |
151 "glGetRenderbufferParameteriv", }, | |
152 { (EGLFUNCTIONPOINTER)(&glGetShaderiv), | |
153 "glGetShaderiv", }, | |
154 { (EGLFUNCTIONPOINTER)(&glGetShaderInfoLog), | |
155 "glGetShaderInfoLog", }, | |
156 { (EGLFUNCTIONPOINTER)(&glGetShaderPrecisionFormat), | |
157 "glGetShaderPrecisionFormat", }, | |
158 { (EGLFUNCTIONPOINTER)(&glGetShaderSource), | |
159 "glGetShaderSource", }, | |
160 { (EGLFUNCTIONPOINTER)(&glGetString), | |
161 "glGetString", }, | |
162 { (EGLFUNCTIONPOINTER)(&glGetTexParameterfv), | |
163 "glGetTexParameterfv", }, | |
164 { (EGLFUNCTIONPOINTER)(&glGetTexParameteriv), | |
165 "glGetTexParameteriv", }, | |
166 { (EGLFUNCTIONPOINTER)(&glGetUniformfv), | |
167 "glGetUniformfv", }, | |
168 { (EGLFUNCTIONPOINTER)(&glGetUniformiv), | |
169 "glGetUniformiv", }, | |
170 { (EGLFUNCTIONPOINTER)(&glGetUniformLocation), | |
171 "glGetUniformLocation", }, | |
172 { (EGLFUNCTIONPOINTER)(&glGetVertexAttribfv), | |
173 "glGetVertexAttribfv", }, | |
174 { (EGLFUNCTIONPOINTER)(&glGetVertexAttribiv), | |
175 "glGetVertexAttribiv", }, | |
176 { (EGLFUNCTIONPOINTER)(&glGetVertexAttribPointerv), | |
177 "glGetVertexAttribPointerv", }, | |
178 { (EGLFUNCTIONPOINTER)(&glHint), | |
179 "glHint", }, | |
180 { (EGLFUNCTIONPOINTER)(&glIsBuffer), | |
181 "glIsBuffer", }, | |
182 { (EGLFUNCTIONPOINTER)(&glIsEnabled), | |
183 "glIsEnabled", }, | |
184 { (EGLFUNCTIONPOINTER)(&glIsFramebuffer), | |
185 "glIsFramebuffer", }, | |
186 { (EGLFUNCTIONPOINTER)(&glIsProgram), | |
187 "glIsProgram", }, | |
188 { (EGLFUNCTIONPOINTER)(&glIsRenderbuffer), | |
189 "glIsRenderbuffer", }, | |
190 { (EGLFUNCTIONPOINTER)(&glIsShader), | |
191 "glIsShader", }, | |
192 { (EGLFUNCTIONPOINTER)(&glIsTexture), | |
193 "glIsTexture", }, | |
194 { (EGLFUNCTIONPOINTER)(&glLineWidth), | |
195 "glLineWidth", }, | |
196 { (EGLFUNCTIONPOINTER)(&glLinkProgram), | |
197 "glLinkProgram", }, | |
198 { (EGLFUNCTIONPOINTER)(&glPixelStorei), | |
199 "glPixelStorei", }, | |
200 { (EGLFUNCTIONPOINTER)(&glPolygonOffset), | |
201 "glPolygonOffset", }, | |
202 { (EGLFUNCTIONPOINTER)(&glReadPixels), | |
203 "glReadPixels", }, | |
204 { (EGLFUNCTIONPOINTER)(&glReleaseShaderCompiler), | |
205 "glReleaseShaderCompiler", }, | |
206 { (EGLFUNCTIONPOINTER)(&glRenderbufferStorage), | |
207 "glRenderbufferStorage", }, | |
208 { (EGLFUNCTIONPOINTER)(&glSampleCoverage), | |
209 "glSampleCoverage", }, | |
210 { (EGLFUNCTIONPOINTER)(&glScissor), | |
211 "glScissor", }, | |
212 { (EGLFUNCTIONPOINTER)(&glShaderBinary), | |
213 "glShaderBinary", }, | |
214 { (EGLFUNCTIONPOINTER)(&glShaderSource), | |
215 "glShaderSource", }, | |
216 { (EGLFUNCTIONPOINTER)(&glStencilFunc), | |
217 "glStencilFunc", }, | |
218 { (EGLFUNCTIONPOINTER)(&glStencilFuncSeparate), | |
219 "glStencilFuncSeparate", }, | |
220 { (EGLFUNCTIONPOINTER)(&glStencilMask), | |
221 "glStencilMask", }, | |
222 { (EGLFUNCTIONPOINTER)(&glStencilMaskSeparate), | |
223 "glStencilMaskSeparate", }, | |
224 { (EGLFUNCTIONPOINTER)(&glStencilOp), | |
225 "glStencilOp", }, | |
226 { (EGLFUNCTIONPOINTER)(&glStencilOpSeparate), | |
227 "glStencilOpSeparate", }, | |
228 { (EGLFUNCTIONPOINTER)(&glTexImage2D), | |
229 "glTexImage2D", }, | |
230 { (EGLFUNCTIONPOINTER)(&glTexParameterf), | |
231 "glTexParameterf", }, | |
232 { (EGLFUNCTIONPOINTER)(&glTexParameterfv), | |
233 "glTexParameterfv", }, | |
234 { (EGLFUNCTIONPOINTER)(&glTexParameteri), | |
235 "glTexParameteri", }, | |
236 { (EGLFUNCTIONPOINTER)(&glTexParameteriv), | |
237 "glTexParameteriv", }, | |
238 { (EGLFUNCTIONPOINTER)(&glTexSubImage2D), | |
239 "glTexSubImage2D", }, | |
240 { (EGLFUNCTIONPOINTER)(&glUniform1f), | |
241 "glUniform1f", }, | |
242 { (EGLFUNCTIONPOINTER)(&glUniform1fv), | |
243 "glUniform1fv", }, | |
244 { (EGLFUNCTIONPOINTER)(&glUniform1i), | |
245 "glUniform1i", }, | |
246 { (EGLFUNCTIONPOINTER)(&glUniform1iv), | |
247 "glUniform1iv", }, | |
248 { (EGLFUNCTIONPOINTER)(&glUniform2f), | |
249 "glUniform2f", }, | |
250 { (EGLFUNCTIONPOINTER)(&glUniform2fv), | |
251 "glUniform2fv", }, | |
252 { (EGLFUNCTIONPOINTER)(&glUniform2i), | |
253 "glUniform2i", }, | |
254 { (EGLFUNCTIONPOINTER)(&glUniform2iv), | |
255 "glUniform2iv", }, | |
256 { (EGLFUNCTIONPOINTER)(&glUniform3f), | |
257 "glUniform3f", }, | |
258 { (EGLFUNCTIONPOINTER)(&glUniform3fv), | |
259 "glUniform3fv", }, | |
260 { (EGLFUNCTIONPOINTER)(&glUniform3i), | |
261 "glUniform3i", }, | |
262 { (EGLFUNCTIONPOINTER)(&glUniform3iv), | |
263 "glUniform3iv", }, | |
264 { (EGLFUNCTIONPOINTER)(&glUniform4f), | |
265 "glUniform4f", }, | |
266 { (EGLFUNCTIONPOINTER)(&glUniform4fv), | |
267 "glUniform4fv", }, | |
268 { (EGLFUNCTIONPOINTER)(&glUniform4i), | |
269 "glUniform4i", }, | |
270 { (EGLFUNCTIONPOINTER)(&glUniform4iv), | |
271 "glUniform4iv", }, | |
272 { (EGLFUNCTIONPOINTER)(&glUniformMatrix2fv), | |
273 "glUniformMatrix2fv", }, | |
274 { (EGLFUNCTIONPOINTER)(&glUniformMatrix3fv), | |
275 "glUniformMatrix3fv", }, | |
276 { (EGLFUNCTIONPOINTER)(&glUniformMatrix4fv), | |
277 "glUniformMatrix4fv", }, | |
278 { (EGLFUNCTIONPOINTER)(&glUseProgram), | |
279 "glUseProgram", }, | |
280 { (EGLFUNCTIONPOINTER)(&glValidateProgram), | |
281 "glValidateProgram", }, | |
282 { (EGLFUNCTIONPOINTER)(&glVertexAttrib1f), | |
283 "glVertexAttrib1f", }, | |
284 { (EGLFUNCTIONPOINTER)(&glVertexAttrib1fv), | |
285 "glVertexAttrib1fv", }, | |
286 { (EGLFUNCTIONPOINTER)(&glVertexAttrib2f), | |
287 "glVertexAttrib2f", }, | |
288 { (EGLFUNCTIONPOINTER)(&glVertexAttrib2fv), | |
289 "glVertexAttrib2fv", }, | |
290 { (EGLFUNCTIONPOINTER)(&glVertexAttrib3f), | |
291 "glVertexAttrib3f", }, | |
292 { (EGLFUNCTIONPOINTER)(&glVertexAttrib3fv), | |
293 "glVertexAttrib3fv", }, | |
294 { (EGLFUNCTIONPOINTER)(&glVertexAttrib4f), | |
295 "glVertexAttrib4f", }, | |
296 { (EGLFUNCTIONPOINTER)(&glVertexAttrib4fv), | |
297 "glVertexAttrib4fv", }, | |
298 { (EGLFUNCTIONPOINTER)(&glVertexAttribPointer), | |
299 "glVertexAttribPointer", }, | |
300 { (EGLFUNCTIONPOINTER)(&glViewport), | |
301 "glViewport", }, | |
302 }; | |
303 | |
304 unsigned int num_functions = sizeof(gl_functions) / sizeof(gl_functions[0]); | |
305 unsigned int ii; | |
306 for (ii = 0; ii < num_functions; ++ii) { | |
307 if (strcmp(gl_functions[ii].name, procname) == 0) { | |
308 return gl_functions[ii].func; | |
309 } | |
310 } | |
311 return NULL; | |
312 } | |
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